Cast 17

1. 

   John Carradine

   Dr. Rynning

2. 

   Robert Dix

   Dr. Manning

3. 

   Vicki Volante

   Valerie

4. Joey Benson

   Willy

5. 

   Jennifer Bishop

   Lian Malian

6. Bruce Powers

   Cmdr. Steve Bryce

7. Fred Meyers

   Bob Scott

8. Britt Semand

   Linda

9. 

   Al Adamson

   Earthly Vampire (uncredited)

10. John Andrews

    Man in Warehouse (uncredited)

11. 

    John "Bud" Cardos

    Vampire Caveman (uncredited)

12. 

    Theodore Gottlieb

    Opening Narrator (voice) (uncredited)

13. 

    Gary Graver

    Earthly Vampire (uncredited)

14. Sean Graver

    Boy with Mother (uncredited)

15. 

    Maria Lease

    Girl with Purse (uncredited)

16. Gus Peters

    Earthly Vampire (uncredited)

17. Irv Saunders

    Earthly Vampire (uncredited)

Crew 12